Influenza in British Columbia, 1966-1968.
D000041:Absenteeism; D001955:British Columbia; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D009975:Orthomyxoviridae / Q000302:isolation & purification; D012424:Rural Population; D014505:Urban Population